external, packages: Use OpenSSL for crypto operations

This commit is contained in:
Macdu 2024-01-13 18:22:28 +01:00
parent ef38c9c559
commit fe02f4c0f9
16 changed files with 122 additions and 1134 deletions

3
.gitmodules vendored
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@ -7,9 +7,6 @@
[submodule "external/capstone"]
path = external/capstone
url = https://github.com/aquynh/capstone.git
[submodule "external/crypto-algorithms"]
path = external/crypto-algorithms
url = https://github.com/KorewaWatchful/crypto-algorithms
[submodule "external/dirent"]
path = external/dirent
url = https://github.com/tronkko/dirent

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@ -39,9 +39,6 @@ option(CAPSTONE_ARCHITECTURE_DEFAULT "Whether architectures are enabled by defau
option(CAPSTONE_ARM_SUPPORT "ARM support" ON)
add_subdirectory(capstone EXCLUDE_FROM_ALL)
add_library(crypto-algorithms STATIC crypto-algorithms/sha256.c crypto-algorithms/sha256.h)
target_include_directories(crypto-algorithms PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/crypto-algorithms")
add_library(dirent INTERFACE)
if(WIN32)

@ -1 +0,0 @@
Subproject commit cb9ea3fada60f9b01e9133d7db4d3e08171d0565

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@ -94,7 +94,6 @@ add_subdirectory(app)
add_subdirectory(audio)
add_subdirectory(config)
add_subdirectory(cpu)
add_subdirectory(crypto)
add_subdirectory(ctrl)
add_subdirectory(codec)
add_subdirectory(compat)

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@ -1,11 +0,0 @@
add_library(
crypto
STATIC
include/crypto/aes.h
include/crypto/hash.h
src/aes.cpp
src/hash.cpp
)
target_include_directories(crypto PUBLIC include)
target_link_libraries(crypto PRIVATE crypto-algorithms)

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@ -1,178 +0,0 @@
#pragma once
#define POLARSSL_AES_ROM_TABLES
/**
* \file aes.h
*
* \brief AES block cipher
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define AES_ENCRYPT 1
#define AES_DECRYPT 0
#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
// Regular implementation
//
/**
* \brief AES context structure
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t *rk; /*!< AES round keys */
uint32_t buf[68]; /*!< unaligned data */
} aes_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief AES key schedule (encryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
int aes_setkey_enc(aes_context *ctx, const unsigned char *key, unsigned int keysize);
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
int aes_setkey_dec(aes_context *ctx, const unsigned char *key, unsigned int keysize);
/**
* \brief AES-ECB block encryption/decryption
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int aes_crypt_ecb(aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16]);
/**
* \brief AES-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_INPUT_LENGTH
*/
int aes_crypt_cbc(aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output);
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* both
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int aes_crypt_cfb128(aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output);
/**
* \brief AES-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int aes_crypt_ctr(aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output);
void aes_cmac(aes_context *ctx, int length, unsigned char *input, unsigned char *output);
#ifdef __cplusplus
}
#endif

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@ -1,855 +0,0 @@
/*
* FIPS-197 compliant AES implementation
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
*
* http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
*/
#include <aes.h>
#include <crypto/aes.h>
/*
* 32-bit integer manipulation macros (little endian)
*/
#ifndef GET_UINT32_LE
#define GET_UINT32_LE(n, b, i) \
{ \
(n) = ((uint32_t)(b)[(i)]) \
| ((uint32_t)(b)[(i) + 1] << 8) \
| ((uint32_t)(b)[(i) + 2] << 16) \
| ((uint32_t)(b)[(i) + 3] << 24); \
}
#endif
#ifndef PUT_UINT32_LE
#define PUT_UINT32_LE(n, b, i) \
{ \
(b)[(i)] = (unsigned char)((n)); \
(b)[(i) + 1] = (unsigned char)((n) >> 8); \
(b)[(i) + 2] = (unsigned char)((n) >> 16); \
(b)[(i) + 3] = (unsigned char)((n) >> 24); \
}
#endif
#if defined(POLARSSL_AES_ROM_TABLES)
/*
* Forward S-box
*/
static const unsigned char FSb[256] = {
0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
};
/*
* Forward tables
*/
#define FT \
\
V(A5, 63, 63, C6), V(84, 7C, 7C, F8), V(99, 77, 77, EE), V(8D, 7B, 7B, F6), \
V(0D, F2, F2, FF), V(BD, 6B, 6B, D6), V(B1, 6F, 6F, DE), V(54, C5, C5, 91), \
V(50, 30, 30, 60), V(03, 01, 01, 02), V(A9, 67, 67, CE), V(7D, 2B, 2B, 56), \
V(19, FE, FE, E7), V(62, D7, D7, B5), V(E6, AB, AB, 4D), V(9A, 76, 76, EC), \
V(45, CA, CA, 8F), V(9D, 82, 82, 1F), V(40, C9, C9, 89), V(87, 7D, 7D, FA), \
V(15, FA, FA, EF), V(EB, 59, 59, B2), V(C9, 47, 47, 8E), V(0B, F0, F0, FB), \
V(EC, AD, AD, 41), V(67, D4, D4, B3), V(FD, A2, A2, 5F), V(EA, AF, AF, 45), \
V(BF, 9C, 9C, 23), V(F7, A4, A4, 53), V(96, 72, 72, E4), V(5B, C0, C0, 9B), \
V(C2, B7, B7, 75), V(1C, FD, FD, E1), V(AE, 93, 93, 3D), V(6A, 26, 26, 4C), \
V(5A, 36, 36, 6C), V(41, 3F, 3F, 7E), V(02, F7, F7, F5), V(4F, CC, CC, 83), \
V(5C, 34, 34, 68), V(F4, A5, A5, 51), V(34, E5, E5, D1), V(08, F1, F1, F9), \
V(93, 71, 71, E2), V(73, D8, D8, AB), V(53, 31, 31, 62), V(3F, 15, 15, 2A), \
V(0C, 04, 04, 08), V(52, C7, C7, 95), V(65, 23, 23, 46), V(5E, C3, C3, 9D), \
V(28, 18, 18, 30), V(A1, 96, 96, 37), V(0F, 05, 05, 0A), V(B5, 9A, 9A, 2F), \
V(09, 07, 07, 0E), V(36, 12, 12, 24), V(9B, 80, 80, 1B), V(3D, E2, E2, DF), \
V(26, EB, EB, CD), V(69, 27, 27, 4E), V(CD, B2, B2, 7F), V(9F, 75, 75, EA), \
V(1B, 09, 09, 12), V(9E, 83, 83, 1D), V(74, 2C, 2C, 58), V(2E, 1A, 1A, 34), \
V(2D, 1B, 1B, 36), V(B2, 6E, 6E, DC), V(EE, 5A, 5A, B4), V(FB, A0, A0, 5B), \
V(F6, 52, 52, A4), V(4D, 3B, 3B, 76), V(61, D6, D6, B7), V(CE, B3, B3, 7D), \
V(7B, 29, 29, 52), V(3E, E3, E3, DD), V(71, 2F, 2F, 5E), V(97, 84, 84, 13), \
V(F5, 53, 53, A6), V(68, D1, D1, B9), V(00, 00, 00, 00), V(2C, ED, ED, C1), \
V(60, 20, 20, 40), V(1F, FC, FC, E3), V(C8, B1, B1, 79), V(ED, 5B, 5B, B6), \
V(BE, 6A, 6A, D4), V(46, CB, CB, 8D), V(D9, BE, BE, 67), V(4B, 39, 39, 72), \
V(DE, 4A, 4A, 94), V(D4, 4C, 4C, 98), V(E8, 58, 58, B0), V(4A, CF, CF, 85), \
V(6B, D0, D0, BB), V(2A, EF, EF, C5), V(E5, AA, AA, 4F), V(16, FB, FB, ED), \
V(C5, 43, 43, 86), V(D7, 4D, 4D, 9A), V(55, 33, 33, 66), V(94, 85, 85, 11), \
V(CF, 45, 45, 8A), V(10, F9, F9, E9), V(06, 02, 02, 04), V(81, 7F, 7F, FE), \
V(F0, 50, 50, A0), V(44, 3C, 3C, 78), V(BA, 9F, 9F, 25), V(E3, A8, A8, 4B), \
V(F3, 51, 51, A2), V(FE, A3, A3, 5D), V(C0, 40, 40, 80), V(8A, 8F, 8F, 05), \
V(AD, 92, 92, 3F), V(BC, 9D, 9D, 21), V(48, 38, 38, 70), V(04, F5, F5, F1), \
V(DF, BC, BC, 63), V(C1, B6, B6, 77), V(75, DA, DA, AF), V(63, 21, 21, 42), \
V(30, 10, 10, 20), V(1A, FF, FF, E5), V(0E, F3, F3, FD), V(6D, D2, D2, BF), \
V(4C, CD, CD, 81), V(14, 0C, 0C, 18), V(35, 13, 13, 26), V(2F, EC, EC, C3), \
V(E1, 5F, 5F, BE), V(A2, 97, 97, 35), V(CC, 44, 44, 88), V(39, 17, 17, 2E), \
V(57, C4, C4, 93), V(F2, A7, A7, 55), V(82, 7E, 7E, FC), V(47, 3D, 3D, 7A), \
V(AC, 64, 64, C8), V(E7, 5D, 5D, BA), V(2B, 19, 19, 32), V(95, 73, 73, E6), \
V(A0, 60, 60, C0), V(98, 81, 81, 19), V(D1, 4F, 4F, 9E), V(7F, DC, DC, A3), \
V(66, 22, 22, 44), V(7E, 2A, 2A, 54), V(AB, 90, 90, 3B), V(83, 88, 88, 0B), \
V(CA, 46, 46, 8C), V(29, EE, EE, C7), V(D3, B8, B8, 6B), V(3C, 14, 14, 28), \
V(79, DE, DE, A7), V(E2, 5E, 5E, BC), V(1D, 0B, 0B, 16), V(76, DB, DB, AD), \
V(3B, E0, E0, DB), V(56, 32, 32, 64), V(4E, 3A, 3A, 74), V(1E, 0A, 0A, 14), \
V(DB, 49, 49, 92), V(0A, 06, 06, 0C), V(6C, 24, 24, 48), V(E4, 5C, 5C, B8), \
V(5D, C2, C2, 9F), V(6E, D3, D3, BD), V(EF, AC, AC, 43), V(A6, 62, 62, C4), \
V(A8, 91, 91, 39), V(A4, 95, 95, 31), V(37, E4, E4, D3), V(8B, 79, 79, F2), \
V(32, E7, E7, D5), V(43, C8, C8, 8B), V(59, 37, 37, 6E), V(B7, 6D, 6D, DA), \
V(8C, 8D, 8D, 01), V(64, D5, D5, B1), V(D2, 4E, 4E, 9C), V(E0, A9, A9, 49), \
V(B4, 6C, 6C, D8), V(FA, 56, 56, AC), V(07, F4, F4, F3), V(25, EA, EA, CF), \
V(AF, 65, 65, CA), V(8E, 7A, 7A, F4), V(E9, AE, AE, 47), V(18, 08, 08, 10), \
V(D5, BA, BA, 6F), V(88, 78, 78, F0), V(6F, 25, 25, 4A), V(72, 2E, 2E, 5C), \
V(24, 1C, 1C, 38), V(F1, A6, A6, 57), V(C7, B4, B4, 73), V(51, C6, C6, 97), \
V(23, E8, E8, CB), V(7C, DD, DD, A1), V(9C, 74, 74, E8), V(21, 1F, 1F, 3E), \
V(DD, 4B, 4B, 96), V(DC, BD, BD, 61), V(86, 8B, 8B, 0D), V(85, 8A, 8A, 0F), \
V(90, 70, 70, E0), V(42, 3E, 3E, 7C), V(C4, B5, B5, 71), V(AA, 66, 66, CC), \
V(D8, 48, 48, 90), V(05, 03, 03, 06), V(01, F6, F6, F7), V(12, 0E, 0E, 1C), \
V(A3, 61, 61, C2), V(5F, 35, 35, 6A), V(F9, 57, 57, AE), V(D0, B9, B9, 69), \
V(91, 86, 86, 17), V(58, C1, C1, 99), V(27, 1D, 1D, 3A), V(B9, 9E, 9E, 27), \
V(38, E1, E1, D9), V(13, F8, F8, EB), V(B3, 98, 98, 2B), V(33, 11, 11, 22), \
V(BB, 69, 69, D2), V(70, D9, D9, A9), V(89, 8E, 8E, 07), V(A7, 94, 94, 33), \
V(B6, 9B, 9B, 2D), V(22, 1E, 1E, 3C), V(92, 87, 87, 15), V(20, E9, E9, C9), \
V(49, CE, CE, 87), V(FF, 55, 55, AA), V(78, 28, 28, 50), V(7A, DF, DF, A5), \
V(8F, 8C, 8C, 03), V(F8, A1, A1, 59), V(80, 89, 89, 09), V(17, 0D, 0D, 1A), \
V(DA, BF, BF, 65), V(31, E6, E6, D7), V(C6, 42, 42, 84), V(B8, 68, 68, D0), \
V(C3, 41, 41, 82), V(B0, 99, 99, 29), V(77, 2D, 2D, 5A), V(11, 0F, 0F, 1E), \
V(CB, B0, B0, 7B), V(FC, 54, 54, A8), V(D6, BB, BB, 6D), V(3A, 16, 16, 2C)
#define V(a, b, c, d) 0x##a##b##c##d
static const uint32_t FT0[256] = { FT };
#undef V
#define V(a, b, c, d) 0x##b##c##d##a
static const uint32_t FT1[256] = { FT };
#undef V
#define V(a, b, c, d) 0x##c##d##a##b
static const uint32_t FT2[256] = { FT };
#undef V
#define V(a, b, c, d) 0x##d##a##b##c
static const uint32_t FT3[256] = { FT };
#undef V
#undef FT
/*
* Reverse S-box
*/
static const unsigned char RSb[256] = {
0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
};
/*
* Reverse tables
*/
#define RT \
\
V(50, A7, F4, 51), V(53, 65, 41, 7E), V(C3, A4, 17, 1A), V(96, 5E, 27, 3A), \
V(CB, 6B, AB, 3B), V(F1, 45, 9D, 1F), V(AB, 58, FA, AC), V(93, 03, E3, 4B), \
V(55, FA, 30, 20), V(F6, 6D, 76, AD), V(91, 76, CC, 88), V(25, 4C, 02, F5), \
V(FC, D7, E5, 4F), V(D7, CB, 2A, C5), V(80, 44, 35, 26), V(8F, A3, 62, B5), \
V(49, 5A, B1, DE), V(67, 1B, BA, 25), V(98, 0E, EA, 45), V(E1, C0, FE, 5D), \
V(02, 75, 2F, C3), V(12, F0, 4C, 81), V(A3, 97, 46, 8D), V(C6, F9, D3, 6B), \
V(E7, 5F, 8F, 03), V(95, 9C, 92, 15), V(EB, 7A, 6D, BF), V(DA, 59, 52, 95), \
V(2D, 83, BE, D4), V(D3, 21, 74, 58), V(29, 69, E0, 49), V(44, C8, C9, 8E), \
V(6A, 89, C2, 75), V(78, 79, 8E, F4), V(6B, 3E, 58, 99), V(DD, 71, B9, 27), \
V(B6, 4F, E1, BE), V(17, AD, 88, F0), V(66, AC, 20, C9), V(B4, 3A, CE, 7D), \
V(18, 4A, DF, 63), V(82, 31, 1A, E5), V(60, 33, 51, 97), V(45, 7F, 53, 62), \
V(E0, 77, 64, B1), V(84, AE, 6B, BB), V(1C, A0, 81, FE), V(94, 2B, 08, F9), \
V(58, 68, 48, 70), V(19, FD, 45, 8F), V(87, 6C, DE, 94), V(B7, F8, 7B, 52), \
V(23, D3, 73, AB), V(E2, 02, 4B, 72), V(57, 8F, 1F, E3), V(2A, AB, 55, 66), \
V(07, 28, EB, B2), V(03, C2, B5, 2F), V(9A, 7B, C5, 86), V(A5, 08, 37, D3), \
V(F2, 87, 28, 30), V(B2, A5, BF, 23), V(BA, 6A, 03, 02), V(5C, 82, 16, ED), \
V(2B, 1C, CF, 8A), V(92, B4, 79, A7), V(F0, F2, 07, F3), V(A1, E2, 69, 4E), \
V(CD, F4, DA, 65), V(D5, BE, 05, 06), V(1F, 62, 34, D1), V(8A, FE, A6, C4), \
V(9D, 53, 2E, 34), V(A0, 55, F3, A2), V(32, E1, 8A, 05), V(75, EB, F6, A4), \
V(39, EC, 83, 0B), V(AA, EF, 60, 40), V(06, 9F, 71, 5E), V(51, 10, 6E, BD), \
V(F9, 8A, 21, 3E), V(3D, 06, DD, 96), V(AE, 05, 3E, DD), V(46, BD, E6, 4D), \
V(B5, 8D, 54, 91), V(05, 5D, C4, 71), V(6F, D4, 06, 04), V(FF, 15, 50, 60), \
V(24, FB, 98, 19), V(97, E9, BD, D6), V(CC, 43, 40, 89), V(77, 9E, D9, 67), \
V(BD, 42, E8, B0), V(88, 8B, 89, 07), V(38, 5B, 19, E7), V(DB, EE, C8, 79), \
V(47, 0A, 7C, A1), V(E9, 0F, 42, 7C), V(C9, 1E, 84, F8), V(00, 00, 00, 00), \
V(83, 86, 80, 09), V(48, ED, 2B, 32), V(AC, 70, 11, 1E), V(4E, 72, 5A, 6C), \
V(FB, FF, 0E, FD), V(56, 38, 85, 0F), V(1E, D5, AE, 3D), V(27, 39, 2D, 36), \
V(64, D9, 0F, 0A), V(21, A6, 5C, 68), V(D1, 54, 5B, 9B), V(3A, 2E, 36, 24), \
V(B1, 67, 0A, 0C), V(0F, E7, 57, 93), V(D2, 96, EE, B4), V(9E, 91, 9B, 1B), \
V(4F, C5, C0, 80), V(A2, 20, DC, 61), V(69, 4B, 77, 5A), V(16, 1A, 12, 1C), \
V(0A, BA, 93, E2), V(E5, 2A, A0, C0), V(43, E0, 22, 3C), V(1D, 17, 1B, 12), \
V(0B, 0D, 09, 0E), V(AD, C7, 8B, F2), V(B9, A8, B6, 2D), V(C8, A9, 1E, 14), \
V(85, 19, F1, 57), V(4C, 07, 75, AF), V(BB, DD, 99, EE), V(FD, 60, 7F, A3), \
V(9F, 26, 01, F7), V(BC, F5, 72, 5C), V(C5, 3B, 66, 44), V(34, 7E, FB, 5B), \
V(76, 29, 43, 8B), V(DC, C6, 23, CB), V(68, FC, ED, B6), V(63, F1, E4, B8), \
V(CA, DC, 31, D7), V(10, 85, 63, 42), V(40, 22, 97, 13), V(20, 11, C6, 84), \
V(7D, 24, 4A, 85), V(F8, 3D, BB, D2), V(11, 32, F9, AE), V(6D, A1, 29, C7), \
V(4B, 2F, 9E, 1D), V(F3, 30, B2, DC), V(EC, 52, 86, 0D), V(D0, E3, C1, 77), \
V(6C, 16, B3, 2B), V(99, B9, 70, A9), V(FA, 48, 94, 11), V(22, 64, E9, 47), \
V(C4, 8C, FC, A8), V(1A, 3F, F0, A0), V(D8, 2C, 7D, 56), V(EF, 90, 33, 22), \
V(C7, 4E, 49, 87), V(C1, D1, 38, D9), V(FE, A2, CA, 8C), V(36, 0B, D4, 98), \
V(CF, 81, F5, A6), V(28, DE, 7A, A5), V(26, 8E, B7, DA), V(A4, BF, AD, 3F), \
V(E4, 9D, 3A, 2C), V(0D, 92, 78, 50), V(9B, CC, 5F, 6A), V(62, 46, 7E, 54), \
V(C2, 13, 8D, F6), V(E8, B8, D8, 90), V(5E, F7, 39, 2E), V(F5, AF, C3, 82), \
V(BE, 80, 5D, 9F), V(7C, 93, D0, 69), V(A9, 2D, D5, 6F), V(B3, 12, 25, CF), \
V(3B, 99, AC, C8), V(A7, 7D, 18, 10), V(6E, 63, 9C, E8), V(7B, BB, 3B, DB), \
V(09, 78, 26, CD), V(F4, 18, 59, 6E), V(01, B7, 9A, EC), V(A8, 9A, 4F, 83), \
V(65, 6E, 95, E6), V(7E, E6, FF, AA), V(08, CF, BC, 21), V(E6, E8, 15, EF), \
V(D9, 9B, E7, BA), V(CE, 36, 6F, 4A), V(D4, 09, 9F, EA), V(D6, 7C, B0, 29), \
V(AF, B2, A4, 31), V(31, 23, 3F, 2A), V(30, 94, A5, C6), V(C0, 66, A2, 35), \
V(37, BC, 4E, 74), V(A6, CA, 82, FC), V(B0, D0, 90, E0), V(15, D8, A7, 33), \
V(4A, 98, 04, F1), V(F7, DA, EC, 41), V(0E, 50, CD, 7F), V(2F, F6, 91, 17), \
V(8D, D6, 4D, 76), V(4D, B0, EF, 43), V(54, 4D, AA, CC), V(DF, 04, 96, E4), \
V(E3, B5, D1, 9E), V(1B, 88, 6A, 4C), V(B8, 1F, 2C, C1), V(7F, 51, 65, 46), \
V(04, EA, 5E, 9D), V(5D, 35, 8C, 01), V(73, 74, 87, FA), V(2E, 41, 0B, FB), \
V(5A, 1D, 67, B3), V(52, D2, DB, 92), V(33, 56, 10, E9), V(13, 47, D6, 6D), \
V(8C, 61, D7, 9A), V(7A, 0C, A1, 37), V(8E, 14, F8, 59), V(89, 3C, 13, EB), \
V(EE, 27, A9, CE), V(35, C9, 61, B7), V(ED, E5, 1C, E1), V(3C, B1, 47, 7A), \
V(59, DF, D2, 9C), V(3F, 73, F2, 55), V(79, CE, 14, 18), V(BF, 37, C7, 73), \
V(EA, CD, F7, 53), V(5B, AA, FD, 5F), V(14, 6F, 3D, DF), V(86, DB, 44, 78), \
V(81, F3, AF, CA), V(3E, C4, 68, B9), V(2C, 34, 24, 38), V(5F, 40, A3, C2), \
V(72, C3, 1D, 16), V(0C, 25, E2, BC), V(8B, 49, 3C, 28), V(41, 95, 0D, FF), \
V(71, 01, A8, 39), V(DE, B3, 0C, 08), V(9C, E4, B4, D8), V(90, C1, 56, 64), \
V(61, 84, CB, 7B), V(70, B6, 32, D5), V(74, 5C, 6C, 48), V(42, 57, B8, D0)
#define V(a, b, c, d) 0x##a##b##c##d
static const uint32_t RT0[256] = { RT };
#undef V
#define V(a, b, c, d) 0x##b##c##d##a
static const uint32_t RT1[256] = { RT };
#undef V
#define V(a, b, c, d) 0x##c##d##a##b
static const uint32_t RT2[256] = { RT };
#undef V
#define V(a, b, c, d) 0x##d##a##b##c
static const uint32_t RT3[256] = { RT };
#undef V
#undef RT
/*
* Round constants
*/
static const uint32_t RCON[10] = {
0x00000001, 0x00000002, 0x00000004, 0x00000008,
0x00000010, 0x00000020, 0x00000040, 0x00000080,
0x0000001B, 0x00000036
};
#else
/*
* Forward S-box & tables
*/
static unsigned char FSb[256];
static uint32_t FT0[256];
static uint32_t FT1[256];
static uint32_t FT2[256];
static uint32_t FT3[256];
/*
* Reverse S-box & tables
*/
static unsigned char RSb[256];
static uint32_t RT0[256];
static uint32_t RT1[256];
static uint32_t RT2[256];
static uint32_t RT3[256];
/*
* Round constants
*/
static uint32_t RCON[10];
/*
* Tables generation code
*/
#define ROTL8(x) ((x << 8) & 0xFFFFFFFF) | (x >> 24)
#define XTIME(x) ((x << 1) ^ ((x & 0x80) ? 0x1B : 0x00))
#define MUL(x, y) ((x && y) ? pow[(log[x] + log[y]) % 255] : 0)
static int aes_init_done = 0;
static void aes_gen_tables(void) {
int i, x, y, z;
int pow[256];
int log[256];
/*
* compute pow and log tables over GF(2^8)
*/
for (i = 0, x = 1; i < 256; i++) {
pow[i] = x;
log[x] = i;
x = (x ^ XTIME(x)) & 0xFF;
}
/*
* calculate the round constants
*/
for (i = 0, x = 1; i < 10; i++) {
RCON[i] = (uint32_t)x;
x = XTIME(x) & 0xFF;
}
/*
* generate the forward and reverse S-boxes
*/
FSb[0x00] = 0x63;
RSb[0x63] = 0x00;
for (i = 1; i < 256; i++) {
x = pow[255 - log[i]];
y = x;
y = ((y << 1) | (y >> 7)) & 0xFF;
x ^= y;
y = ((y << 1) | (y >> 7)) & 0xFF;
x ^= y;
y = ((y << 1) | (y >> 7)) & 0xFF;
x ^= y;
y = ((y << 1) | (y >> 7)) & 0xFF;
x ^= y ^ 0x63;
FSb[i] = (unsigned char)x;
RSb[x] = (unsigned char)i;
}
/*
* generate the forward and reverse tables
*/
for (i = 0; i < 256; i++) {
x = FSb[i];
y = XTIME(x) & 0xFF;
z = (y ^ x) & 0xFF;
FT0[i] = ((uint32_t)y) ^ ((uint32_t)x << 8) ^ ((uint32_t)x << 16) ^ ((uint32_t)z << 24);
FT1[i] = ROTL8(FT0[i]);
FT2[i] = ROTL8(FT1[i]);
FT3[i] = ROTL8(FT2[i]);
x = RSb[i];
RT0[i] = ((uint32_t)MUL(0x0E, x)) ^ ((uint32_t)MUL(0x09, x) << 8) ^ ((uint32_t)MUL(0x0D, x) << 16) ^ ((uint32_t)MUL(0x0B, x) << 24);
RT1[i] = ROTL8(RT0[i]);
RT2[i] = ROTL8(RT1[i]);
RT3[i] = ROTL8(RT2[i]);
}
}
#endif
/*
* AES key schedule (encryption)
*/
int aes_setkey_enc(aes_context *ctx, const unsigned char *key, unsigned int keysize) {
unsigned int i;
uint32_t *RK;
#if !defined(POLARSSL_AES_ROM_TABLES)
if (aes_init_done == 0) {
aes_gen_tables();
aes_init_done = 1;
}
#endif
switch (keysize) {
case 128: ctx->nr = 10; break;
case 192: ctx->nr = 12; break;
case 256: ctx->nr = 14; break;
default: return (POLARSSL_ERR_AES_INVALID_KEY_LENGTH);
}
ctx->rk = RK = ctx->buf;
for (i = 0; i < (keysize >> 5); i++) {
GET_UINT32_LE(RK[i], key, i << 2);
}
switch (ctx->nr) {
case 10:
for (i = 0; i < 10; i++, RK += 4) {
RK[4] = RK[0] ^ RCON[i] ^ ((uint32_t)FSb[(RK[3] >> 8) & 0xFF]) ^ ((uint32_t)FSb[(RK[3] >> 16) & 0xFF] << 8) ^ ((uint32_t)FSb[(RK[3] >> 24) & 0xFF] << 16) ^ ((uint32_t)FSb[(RK[3]) & 0xFF] << 24);
RK[5] = RK[1] ^ RK[4];
RK[6] = RK[2] ^ RK[5];
RK[7] = RK[3] ^ RK[6];
}
break;
case 12:
for (i = 0; i < 8; i++, RK += 6) {
RK[6] = RK[0] ^ RCON[i] ^ ((uint32_t)FSb[(RK[5] >> 8) & 0xFF]) ^ ((uint32_t)FSb[(RK[5] >> 16) & 0xFF] << 8) ^ ((uint32_t)FSb[(RK[5] >> 24) & 0xFF] << 16) ^ ((uint32_t)FSb[(RK[5]) & 0xFF] << 24);
RK[7] = RK[1] ^ RK[6];
RK[8] = RK[2] ^ RK[7];
RK[9] = RK[3] ^ RK[8];
RK[10] = RK[4] ^ RK[9];
RK[11] = RK[5] ^ RK[10];
}
break;
case 14:
for (i = 0; i < 7; i++, RK += 8) {
RK[8] = RK[0] ^ RCON[i] ^ ((uint32_t)FSb[(RK[7] >> 8) & 0xFF]) ^ ((uint32_t)FSb[(RK[7] >> 16) & 0xFF] << 8) ^ ((uint32_t)FSb[(RK[7] >> 24) & 0xFF] << 16) ^ ((uint32_t)FSb[(RK[7]) & 0xFF] << 24);
RK[9] = RK[1] ^ RK[8];
RK[10] = RK[2] ^ RK[9];
RK[11] = RK[3] ^ RK[10];
RK[12] = RK[4] ^ ((uint32_t)FSb[(RK[11]) & 0xFF]) ^ ((uint32_t)FSb[(RK[11] >> 8) & 0xFF] << 8) ^ ((uint32_t)FSb[(RK[11] >> 16) & 0xFF] << 16) ^ ((uint32_t)FSb[(RK[11] >> 24) & 0xFF] << 24);
RK[13] = RK[5] ^ RK[12];
RK[14] = RK[6] ^ RK[13];
RK[15] = RK[7] ^ RK[14];
}
break;
default:
break;
}
return (0);
}
/*
* AES key schedule (decryption)
*/
int aes_setkey_dec(aes_context *ctx, const unsigned char *key, unsigned int keysize) {
int i, j;
aes_context cty;
uint32_t *RK;
uint32_t *SK;
int ret;
switch (keysize) {
case 128: ctx->nr = 10; break;
case 192: ctx->nr = 12; break;
case 256: ctx->nr = 14; break;
default: return (POLARSSL_ERR_AES_INVALID_KEY_LENGTH);
}
ctx->rk = RK = ctx->buf;
ret = aes_setkey_enc(&cty, key, keysize);
if (ret != 0)
return (ret);
SK = cty.rk + cty.nr * 4;
*RK++ = *SK++;
*RK++ = *SK++;
*RK++ = *SK++;
*RK++ = *SK++;
for (i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8) {
for (j = 0; j < 4; j++, SK++) {
*RK++ = RT0[FSb[(*SK) & 0xFF]] ^ RT1[FSb[(*SK >> 8) & 0xFF]] ^ RT2[FSb[(*SK >> 16) & 0xFF]] ^ RT3[FSb[(*SK >> 24) & 0xFF]];
}
}
*RK++ = *SK++;
*RK++ = *SK++;
*RK++ = *SK++;
*RK++ = *SK++;
memset(&cty, 0, sizeof(aes_context));
return (0);
}
#define AES_FROUND(X0, X1, X2, X3, Y0, Y1, Y2, Y3) \
{ \
X0 = *RK++ ^ FT0[(Y0)&0xFF] ^ FT1[(Y1 >> 8) & 0xFF] ^ FT2[(Y2 >> 16) & 0xFF] ^ FT3[(Y3 >> 24) & 0xFF]; \
\
X1 = *RK++ ^ FT0[(Y1)&0xFF] ^ FT1[(Y2 >> 8) & 0xFF] ^ FT2[(Y3 >> 16) & 0xFF] ^ FT3[(Y0 >> 24) & 0xFF]; \
\
X2 = *RK++ ^ FT0[(Y2)&0xFF] ^ FT1[(Y3 >> 8) & 0xFF] ^ FT2[(Y0 >> 16) & 0xFF] ^ FT3[(Y1 >> 24) & 0xFF]; \
\
X3 = *RK++ ^ FT0[(Y3)&0xFF] ^ FT1[(Y0 >> 8) & 0xFF] ^ FT2[(Y1 >> 16) & 0xFF] ^ FT3[(Y2 >> 24) & 0xFF]; \
}
#define AES_RROUND(X0, X1, X2, X3, Y0, Y1, Y2, Y3) \
{ \
X0 = *RK++ ^ RT0[(Y0)&0xFF] ^ RT1[(Y3 >> 8) & 0xFF] ^ RT2[(Y2 >> 16) & 0xFF] ^ RT3[(Y1 >> 24) & 0xFF]; \
\
X1 = *RK++ ^ RT0[(Y1)&0xFF] ^ RT1[(Y0 >> 8) & 0xFF] ^ RT2[(Y3 >> 16) & 0xFF] ^ RT3[(Y2 >> 24) & 0xFF]; \
\
X2 = *RK++ ^ RT0[(Y2)&0xFF] ^ RT1[(Y1 >> 8) & 0xFF] ^ RT2[(Y0 >> 16) & 0xFF] ^ RT3[(Y3 >> 24) & 0xFF]; \
\
X3 = *RK++ ^ RT0[(Y3)&0xFF] ^ RT1[(Y2 >> 8) & 0xFF] ^ RT2[(Y1 >> 16) & 0xFF] ^ RT3[(Y0 >> 24) & 0xFF]; \
}
/*
* AES-ECB block encryption/decryption
*/
int aes_crypt_ecb(aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16]) {
int i;
uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
RK = ctx->rk;
GET_UINT32_LE(X0, input, 0);
X0 ^= *RK++;
GET_UINT32_LE(X1, input, 4);
X1 ^= *RK++;
GET_UINT32_LE(X2, input, 8);
X2 ^= *RK++;
GET_UINT32_LE(X3, input, 12);
X3 ^= *RK++;
if (mode == AES_DECRYPT) {
for (i = (ctx->nr >> 1) - 1; i > 0; i--) {
AES_RROUND(Y0, Y1, Y2, Y3, X0, X1, X2, X3);
AES_RROUND(X0, X1, X2, X3, Y0, Y1, Y2, Y3);
}
AES_RROUND(Y0, Y1, Y2, Y3, X0, X1, X2, X3);
X0 = *RK++ ^ ((uint32_t)RSb[(Y0)&0xFF]) ^ ((uint32_t)RSb[(Y3 >> 8) & 0xFF] << 8) ^ ((uint32_t)RSb[(Y2 >> 16) & 0xFF] << 16) ^ ((uint32_t)RSb[(Y1 >> 24) & 0xFF] << 24);
X1 = *RK++ ^ ((uint32_t)RSb[(Y1)&0xFF]) ^ ((uint32_t)RSb[(Y0 >> 8) & 0xFF] << 8) ^ ((uint32_t)RSb[(Y3 >> 16) & 0xFF] << 16) ^ ((uint32_t)RSb[(Y2 >> 24) & 0xFF] << 24);
X2 = *RK++ ^ ((uint32_t)RSb[(Y2)&0xFF]) ^ ((uint32_t)RSb[(Y1 >> 8) & 0xFF] << 8) ^ ((uint32_t)RSb[(Y0 >> 16) & 0xFF] << 16) ^ ((uint32_t)RSb[(Y3 >> 24) & 0xFF] << 24);
X3 = *RK++ ^ ((uint32_t)RSb[(Y3)&0xFF]) ^ ((uint32_t)RSb[(Y2 >> 8) & 0xFF] << 8) ^ ((uint32_t)RSb[(Y1 >> 16) & 0xFF] << 16) ^ ((uint32_t)RSb[(Y0 >> 24) & 0xFF] << 24);
} else /* AES_ENCRYPT */
{
for (i = (ctx->nr >> 1) - 1; i > 0; i--) {
AES_FROUND(Y0, Y1, Y2, Y3, X0, X1, X2, X3);
AES_FROUND(X0, X1, X2, X3, Y0, Y1, Y2, Y3);
}
AES_FROUND(Y0, Y1, Y2, Y3, X0, X1, X2, X3);
X0 = *RK++ ^ ((uint32_t)FSb[(Y0)&0xFF]) ^ ((uint32_t)FSb[(Y1 >> 8) & 0xFF] << 8) ^ ((uint32_t)FSb[(Y2 >> 16) & 0xFF] << 16) ^ ((uint32_t)FSb[(Y3 >> 24) & 0xFF] << 24);
X1 = *RK++ ^ ((uint32_t)FSb[(Y1)&0xFF]) ^ ((uint32_t)FSb[(Y2 >> 8) & 0xFF] << 8) ^ ((uint32_t)FSb[(Y3 >> 16) & 0xFF] << 16) ^ ((uint32_t)FSb[(Y0 >> 24) & 0xFF] << 24);
X2 = *RK++ ^ ((uint32_t)FSb[(Y2)&0xFF]) ^ ((uint32_t)FSb[(Y3 >> 8) & 0xFF] << 8) ^ ((uint32_t)FSb[(Y0 >> 16) & 0xFF] << 16) ^ ((uint32_t)FSb[(Y1 >> 24) & 0xFF] << 24);
X3 = *RK++ ^ ((uint32_t)FSb[(Y3)&0xFF]) ^ ((uint32_t)FSb[(Y0 >> 8) & 0xFF] << 8) ^ ((uint32_t)FSb[(Y1 >> 16) & 0xFF] << 16) ^ ((uint32_t)FSb[(Y2 >> 24) & 0xFF] << 24);
}
PUT_UINT32_LE(X0, output, 0);
PUT_UINT32_LE(X1, output, 4);
PUT_UINT32_LE(X2, output, 8);
PUT_UINT32_LE(X3, output, 12);
return (0);
}
/*
* AES-CBC buffer encryption/decryption
*/
int aes_crypt_cbc(aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output) {
int i;
unsigned char temp[16];
unsigned char orig_iv[16];
if (length % 16)
return (POLARSSL_ERR_AES_INVALID_INPUT_LENGTH);
if (mode == AES_DECRYPT) {
memcpy(orig_iv, iv, 16);
while (length > 0) {
memcpy(temp, input, 16);
aes_crypt_ecb(ctx, mode, input, output);
for (i = 0; i < 16; i++)
output[i] = (unsigned char)(output[i] ^ iv[i]);
memcpy(iv, temp, 16);
input += 16;
output += 16;
length -= 16;
}
memcpy(iv, orig_iv, 16);
} else {
while (length > 0) {
for (i = 0; i < 16; i++)
output[i] = (unsigned char)(input[i] ^ iv[i]);
aes_crypt_ecb(ctx, mode, output, output);
memcpy(iv, output, 16);
input += 16;
output += 16;
length -= 16;
}
}
return (0);
}
/*
* AES-CFB128 buffer encryption/decryption
*/
int aes_crypt_cfb128(aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output) {
int c;
size_t n = *iv_off;
if (mode == AES_DECRYPT) {
while (length--) {
if (n == 0)
aes_crypt_ecb(ctx, AES_ENCRYPT, iv, iv);
c = *input++;
*output++ = (unsigned char)(c ^ iv[n]);
iv[n] = (unsigned char)c;
n = (n + 1) & 0x0F;
}
} else {
while (length--) {
if (n == 0)
aes_crypt_ecb(ctx, AES_ENCRYPT, iv, iv);
iv[n] = *output++ = (unsigned char)(iv[n] ^ *input++);
n = (n + 1) & 0x0F;
}
}
*iv_off = n;
return (0);
}
/*
* AES-CTR buffer encryption/decryption
*/
int aes_crypt_ctr(aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output) {
int c, i;
size_t n = *nc_off;
while (length--) {
if (n == 0) {
aes_crypt_ecb(ctx, AES_ENCRYPT, nonce_counter, stream_block);
for (i = 16; i > 0; i--)
if (++nonce_counter[i - 1] != 0)
break;
}
c = *input++;
*output++ = (unsigned char)(c ^ stream_block[n]);
n = (n + 1) & 0x0F;
}
*nc_off = n;
return (0);
}
/* AES-CMAC */
unsigned char const_Rb[16] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87
};
unsigned char const_Zero[16] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void leftshift_onebit(unsigned char *input, unsigned char *output) {
int i;
unsigned char overflow = 0;
for (i = 15; i >= 0; i--) {
output[i] = input[i] << 1;
output[i] |= overflow;
overflow = (input[i] & 0x80) ? 1 : 0;
}
}
void xor_128(unsigned char *a, unsigned char *b, unsigned char *out) {
int i;
for (i = 0; i < 16; i++)
out[i] = a[i] ^ b[i];
}
void generate_subkey(aes_context *ctx, unsigned char *K1, unsigned char *K2) {
unsigned char L[16];
unsigned char Z[16];
unsigned char tmp[16];
int i;
for (i = 0; i < 16; i++)
Z[i] = 0;
aes_crypt_ecb(ctx, AES_ENCRYPT, Z, L);
if ((L[0] & 0x80) == 0) {
leftshift_onebit(L, K1);
} else {
leftshift_onebit(L, tmp);
xor_128(tmp, const_Rb, K1);
}
if ((K1[0] & 0x80) == 0) {
leftshift_onebit(K1, K2);
} else {
leftshift_onebit(K1, tmp);
xor_128(tmp, const_Rb, K2);
}
}
void padding(unsigned char *lastb, unsigned char *pad, int length) {
int i;
for (i = 0; i < 16; i++) {
if (i < length)
pad[i] = lastb[i];
else if (i == length)
pad[i] = 0x80;
else
pad[i] = 0x00;
}
}
void aes_cmac(aes_context *ctx, int length, unsigned char *input, unsigned char *output) {
unsigned char X[16], Y[16], M_last[16], padded[16];
unsigned char K1[16], K2[16];
int n, i, flag;
generate_subkey(ctx, K1, K2);
n = (length + 15) / 16;
if (n == 0) {
n = 1;
flag = 0;
} else {
if ((length % 16) == 0)
flag = 1;
else
flag = 0;
}
if (flag) {
xor_128(&input[16 * (n - 1)], K1, M_last);
} else {
padding(&input[16 * (n - 1)], padded, length % 16);
xor_128(padded, K2, M_last);
}
for (i = 0; i < 16; i++)
X[i] = 0;
for (i = 0; i < n - 1; i++) {
xor_128(X, &input[16 * i], Y);
aes_crypt_ecb(ctx, AES_ENCRYPT, Y, X);
}
xor_128(X, M_last, Y);
aes_crypt_ecb(ctx, AES_ENCRYPT, Y, X);
for (i = 0; i < 16; i++)
output[i] = X[i];
}

View File

@ -23,9 +23,9 @@
#include <F00DKeyEncryptorFactory.h>
#include <PsvPfsParserConfig.h>
#include <Utils.h>
#include <openssl/evp.h>
#include <rif2zrif.h>
#include <crypto/aes.h>
#include <io/device.h>
#include <io/functions.h>
@ -42,39 +42,14 @@
// Credits to mmozeiko https://github.com/mmozeiko/pkg2zip
static void ctr_add(uint8_t *counter, uint64_t n) {
static void ctr_init(uint8_t *counter, uint8_t *iv, uint64_t n) {
for (int i = 15; i >= 0; i--) {
n = n + counter[i];
n = n + iv[i];
counter[i] = (uint8_t)n;
n >>= 8;
}
}
static void aes128_ctr_xor(aes_context *ctx, const uint8_t *iv, uint64_t block, uint8_t *input, size_t size) {
uint8_t tmp[16];
uint8_t counter[16];
for (uint32_t i = 0; i < 16; i++) {
counter[i] = iv[i];
}
ctr_add(counter, block);
while (size >= 16) {
aes_crypt_ecb(ctx, AES_ENCRYPT, counter, tmp);
for (uint32_t i = 0; i < 16; i++) {
*input++ ^= tmp[i];
}
ctr_add(counter, 1);
size -= 16;
}
if (size != 0) {
aes_crypt_ecb(ctx, AES_ENCRYPT, counter, tmp);
for (size_t i = 0; i < size; i++) {
*input++ ^= tmp[i];
}
}
}
bool decrypt_install_nonpdrm(EmuEnvState &emuenv, std::string &drmlicpath, const std::string &title_path) {
std::string title_id_src = title_path;
std::string title_id_dst = title_path + "_dec";
@ -187,21 +162,18 @@ bool install_pkg(const std::string &pkg, EmuEnvState &emuenv, std::string &p_zRI
}
auto key_type = byte_swap(ext_header.data_type2) & 7;
aes_context aes_ctx;
uint8_t main_key[16];
uint8_t main_key[16];
const uint8_t *pkg_vita_key = nullptr;
switch (key_type) {
case 2:
aes_setkey_enc(&aes_ctx, pkg_vita_2, 128);
aes_crypt_ecb(&aes_ctx, AES_ENCRYPT, pkg_header.pkg_data_iv, main_key);
pkg_vita_key = pkg_vita_2;
break;
case 3:
aes_setkey_enc(&aes_ctx, pkg_vita_3, 128);
aes_crypt_ecb(&aes_ctx, AES_ENCRYPT, pkg_header.pkg_data_iv, main_key);
pkg_vita_key = pkg_vita_3;
break;
case 4:
aes_setkey_enc(&aes_ctx, pkg_vita_4, 128);
aes_crypt_ecb(&aes_ctx, AES_ENCRYPT, pkg_header.pkg_data_iv, main_key);
pkg_vita_key = pkg_vita_4;
break;
default:
LOG_ERROR("Unknown encryption key");
@ -209,7 +181,22 @@ bool install_pkg(const std::string &pkg, EmuEnvState &emuenv, std::string &p_zRI
break;
}
aes_setkey_enc(&aes_ctx, main_key, 128);
EVP_CIPHER_CTX *cipher_ctx = EVP_CIPHER_CTX_new();
EVP_CIPHER *cipher_CTR = EVP_CIPHER_fetch(nullptr, "AES-128-CTR", nullptr);
EVP_CIPHER *cipher_ECB = EVP_CIPHER_fetch(nullptr, "AES-128-ECB", nullptr);
int dec_len = 0;
auto evp_cleanup = [&]() {
EVP_CIPHER_CTX_free(cipher_ctx);
EVP_CIPHER_free(cipher_CTR);
EVP_CIPHER_free(cipher_ECB);
};
// get the main key
EVP_EncryptInit_ex(cipher_ctx, cipher_ECB, nullptr, pkg_vita_key, nullptr);
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_EncryptUpdate(cipher_ctx, main_key, &dec_len, pkg_header.pkg_data_iv, 0x10);
EVP_EncryptFinal_ex(cipher_ctx, main_key + dec_len, &dec_len);
std::vector<uint8_t> sfo_buffer(sfo_size);
SfoFile sfo_file;
@ -249,15 +236,26 @@ bool install_pkg(const std::string &pkg, EmuEnvState &emuenv, std::string &p_zRI
break;
}
auto decrypt_aes_ctr = [&](uint32_t offset, unsigned char *data, size_t size) {
uint8_t counter[0x10];
ctr_init(counter, pkg_header.pkg_data_iv, offset);
EVP_DecryptInit_ex(cipher_ctx, cipher_CTR, nullptr, main_key, counter);
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, data, &dec_len, data, size);
EVP_DecryptFinal_ex(cipher_ctx, data + dec_len, &dec_len);
};
for (uint32_t i = 0; i < byte_swap(pkg_header.file_count); i++) {
PkgEntry entry;
uint64_t file_offset = items_offset + i * 32;
infile.seekg(byte_swap(pkg_header.data_offset) + file_offset, std::ios_base::beg);
infile.read(reinterpret_cast<char *>(&entry), sizeof(PkgEntry));
aes128_ctr_xor(&aes_ctx, pkg_header.pkg_data_iv, file_offset / 16, reinterpret_cast<unsigned char *>(&entry), sizeof(PkgEntry));
decrypt_aes_ctr(file_offset / 16, reinterpret_cast<unsigned char *>(&entry), sizeof(PkgEntry));
if (fs::file_size(pkg_path) < byte_swap(pkg_header.data_offset) + byte_swap(entry.name_offset) + byte_swap(entry.name_size) || fs::file_size(pkg_path) < byte_swap(pkg_header.data_offset) + byte_swap(entry.data_offset) + byte_swap(entry.data_size)) {
LOG_ERROR("The pkg file size is too small, possibly corrupted");
evp_cleanup();
return false;
}
const auto file_count = (float)byte_swap(pkg_header.file_count);
@ -265,7 +263,8 @@ bool install_pkg(const std::string &pkg, EmuEnvState &emuenv, std::string &p_zRI
std::vector<unsigned char> name(byte_swap(entry.name_size));
infile.seekg(byte_swap(pkg_header.data_offset) + byte_swap(entry.name_offset));
infile.read((char *)&name[0], byte_swap(entry.name_size));
aes128_ctr_xor(&aes_ctx, pkg_header.pkg_data_iv, byte_swap(entry.name_offset) / 16, &name[0], byte_swap(entry.name_size));
decrypt_aes_ctr(byte_swap(entry.name_offset) / 16, name.data(), byte_swap(entry.name_size));
auto string_name = std::string(name.begin(), name.end());
LOG_INFO(string_name);
@ -277,23 +276,34 @@ bool install_pkg(const std::string &pkg, EmuEnvState &emuenv, std::string &p_zRI
auto offset = byte_swap(entry.data_offset);
auto data_size = byte_swap(entry.data_size);
uint8_t counter[0x10];
ctr_init(counter, pkg_header.pkg_data_iv, offset / 16);
EVP_DecryptInit_ex(cipher_ctx, cipher_CTR, nullptr, main_key, counter);
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
std::vector<uint8_t> buffer(0x10000);
while (data_size != 0) {
unsigned char buffer[0x10000];
auto size = data_size < sizeof(buffer) ? data_size : sizeof(buffer);
int size = data_size < buffer.size() ? data_size : buffer.size();
infile.seekg(byte_swap(pkg_header.data_offset) + offset);
infile.read((char *)buffer, size);
infile.read(reinterpret_cast<char *>(buffer.data()), size);
aes128_ctr_xor(&aes_ctx, pkg_header.pkg_data_iv, offset / 16, buffer, size);
EVP_DecryptUpdate(cipher_ctx, buffer.data(), &dec_len, buffer.data(), size);
outfile.write((char *)buffer, size);
outfile.write(reinterpret_cast<char *>(buffer.data()), dec_len);
offset += size;
data_size -= size;
}
EVP_DecryptFinal_ex(cipher_ctx, buffer.data(), &dec_len);
outfile.write(reinterpret_cast<char *>(buffer.data()), dec_len);
outfile.close();
}
}
infile.close();
evp_cleanup();
std::string title_id_src = path.string();
std::string title_id_dst = path.string() + "_dec";
std::string zRIF = p_zRIF;

View File

@ -23,7 +23,7 @@
* contain firmware updates
*/
#include <crypto/aes.h>
#include <openssl/evp.h>
#include <packages/sce_types.h>
#include <util/fs.h>
#include <util/string_utils.h>
@ -175,18 +175,23 @@ static void decrypt_segments(std::ifstream &infile, const std::wstring &outdir,
const auto sysver = std::get<0>(get_key_type(infile, sce_hdr));
const SelfType selftype = std::get<1>(get_key_type(infile, sce_hdr));
EVP_CIPHER_CTX *cipher_ctx = EVP_CIPHER_CTX_new();
EVP_CIPHER *cipher = EVP_CIPHER_fetch(nullptr, "AES-128-CTR", nullptr);
int dec_len = 0;
const auto scesegs = get_segments(infile, sce_hdr, SCE_KEYS, sysver, selftype);
for (const auto &sceseg : scesegs) {
fs::ofstream outfile(fmt::format(L"{}/{}.seg02", outdir, filename), std::ios::binary);
infile.seekg(sceseg.offset);
std::vector<unsigned char> encrypted_data(sceseg.size);
infile.read((char *)&encrypted_data[0], sceseg.size);
aes_context aes_ctx;
aes_setkey_enc(&aes_ctx, (unsigned char *)sceseg.key.c_str(), 128);
size_t ctr_nc_off = 0;
unsigned char ctr_stream_block[0x10];
std::vector<unsigned char> decrypted_data(sceseg.size);
aes_crypt_ctr(&aes_ctx, sceseg.size, &ctr_nc_off, (unsigned char *)sceseg.iv.c_str(), ctr_stream_block, &encrypted_data[0], &decrypted_data[0]);
EVP_DecryptInit_ex(cipher_ctx, cipher, nullptr, reinterpret_cast<const unsigned char *>(sceseg.key.c_str()), reinterpret_cast<const unsigned char *>(sceseg.iv.c_str()));
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, decrypted_data.data(), &dec_len, encrypted_data.data(), sceseg.size);
EVP_DecryptFinal_ex(cipher_ctx, decrypted_data.data() + dec_len, &dec_len);
if (sceseg.compressed) {
const std::string decompressed_data = decompress_segments(decrypted_data, sceseg.size);
outfile.write(decompressed_data.c_str(), decompressed_data.size());
@ -195,6 +200,9 @@ static void decrypt_segments(std::ifstream &infile, const std::wstring &outdir,
}
outfile.close();
}
EVP_CIPHER_CTX_free(cipher_ctx);
EVP_CIPHER_free(cipher);
};
static void join_files(const std::wstring &path, const std::string &filename, const std::wstring &output) {

View File

@ -20,9 +20,9 @@
* @brief Utilities to handle SCE binaries
*/
#include <crypto/aes.h>
#include <fat16/fat16.h>
#include <miniz.h>
#include <openssl/evp.h>
#include <packages/sce_types.h>
#include <util/string_utils.h>
@ -814,6 +814,10 @@ void self2elf(const fs::path &infile, const fs::path &outfile, KeyStore &SCE_KEY
scesegs = get_segments(filein, sce_hdr, SCE_KEYS, appinfo_hdr.sys_version, appinfo_hdr.self_type, npdrmtype, klictxt);
}
EVP_CIPHER_CTX *cipher_ctx = EVP_CIPHER_CTX_new();
EVP_CIPHER *cipher = EVP_CIPHER_fetch(nullptr, "AES-128-CTR", nullptr);
int dec_len = 0;
for (uint16_t i = 0; i < elf_hdr.e_phnum; i++) {
int idx = 0;
@ -843,11 +847,10 @@ void self2elf(const fs::path &infile, const fs::path &outfile, KeyStore &SCE_KEY
std::vector<unsigned char> decrypted_data(segment_infos[idx].size);
if (segment_infos[idx].plaintext == SecureBool::NO) {
aes_context aes_ctx;
aes_setkey_enc(&aes_ctx, (unsigned char *)scesegs[i].key.c_str(), 128);
size_t ctr_nc_off = 0;
unsigned char ctr_stream_block[0x10];
aes_crypt_ctr(&aes_ctx, segment_infos[idx].size, &ctr_nc_off, (unsigned char *)scesegs[i].iv.c_str(), ctr_stream_block, &dat[0], &decrypted_data[0]);
EVP_DecryptInit_ex(cipher_ctx, cipher, nullptr, reinterpret_cast<const unsigned char *>(scesegs[i].key.c_str()), reinterpret_cast<const unsigned char *>(scesegs[i].iv.c_str()));
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, decrypted_data.data(), &dec_len, dat.data(), segment_infos[idx].size);
EVP_DecryptFinal_ex(cipher_ctx, decrypted_data.data() + dec_len, &dec_len);
}
if (segment_infos[idx].compressed == SecureBool::YES) {
@ -862,6 +865,9 @@ void self2elf(const fs::path &infile, const fs::path &outfile, KeyStore &SCE_KEY
}
filein.close();
fileout.close();
EVP_CIPHER_CTX_free(cipher_ctx);
EVP_CIPHER_free(cipher);
}
// Credits to the vitasdk team/contributors for vita-make-fself https://github.com/vitasdk/vita-toolchain/blob/master/src/vita-make-fself.c
@ -990,7 +996,12 @@ std::vector<SceSegment> get_segments(std::ifstream &file, const SceHeader &sce_h
const std::string key = SCE_KEYS.get(KeyType::METADATA, sce_hdr.sce_type, sysver, sce_hdr.key_revision, self_type).key;
const std::string iv = SCE_KEYS.get(KeyType::METADATA, sce_hdr.sce_type, sysver, sce_hdr.key_revision, self_type).iv;
aes_context aes_ctx;
EVP_CIPHER_CTX *cipher_ctx = EVP_CIPHER_CTX_new();
EVP_CIPHER *cipher128 = EVP_CIPHER_fetch(nullptr, "AES-128-CBC", nullptr);
EVP_CIPHER *cipher256 = EVP_CIPHER_fetch(nullptr, "AES-256-CBC", nullptr);
int dec_len = 0;
unsigned char dec_in[MetadataInfo::Size];
if (self_type == SelfType::APP) {
@ -1001,16 +1012,19 @@ std::vector<SceSegment> get_segments(std::ifstream &file, const SceHeader &sce_h
const std::string np_iv = SCE_KEYS.get(KeyType::NPDRM, sce_hdr.sce_type, sysver, keytype, self_type).iv;
const auto np_key_vec = string_utils::string_to_byte_array(np_key);
auto np_iv_vec = string_utils::string_to_byte_array(np_iv);
auto np_key_bytes = &np_key_vec[0];
auto np_iv_bytes = &np_iv_vec[0];
unsigned char predec[16];
aes_setkey_dec(&aes_ctx, np_key_bytes, 128);
aes_crypt_cbc(&aes_ctx, AES_DECRYPT, 16, np_iv_bytes, klictxt, predec);
EVP_DecryptInit_ex(cipher_ctx, cipher128, nullptr, np_key_vec.data(), np_iv_vec.data());
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, predec, &dec_len, klictxt, 16);
EVP_DecryptFinal_ex(cipher_ctx, predec + dec_len, &dec_len);
unsigned char input_data[MetadataInfo::Size];
std::copy(&dat[0], &dat[64], input_data);
aes_setkey_dec(&aes_ctx, predec, 128);
aes_crypt_cbc(&aes_ctx, AES_DECRYPT, MetadataInfo::Size, np_iv_bytes, input_data, dec_in);
EVP_DecryptInit_ex(cipher_ctx, cipher128, nullptr, predec, np_iv_vec.data());
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, dec_in, &dec_len, input_data, MetadataInfo::Size);
EVP_DecryptFinal_ex(cipher_ctx, predec + dec_len, &dec_len);
} else {
std::copy(&dat[0], &dat[64], dec_in);
@ -1019,18 +1033,20 @@ std::vector<SceSegment> get_segments(std::ifstream &file, const SceHeader &sce_h
const auto key_vec = string_utils::string_to_byte_array(key);
auto iv_vec = string_utils::string_to_byte_array(iv);
auto key_bytes = &key_vec[0];
auto iv_bytes = &iv_vec[0];
aes_setkey_dec(&aes_ctx, key_bytes, 256);
aes_crypt_cbc(&aes_ctx, AES_DECRYPT, 64, iv_bytes, dec_in, dec);
EVP_DecryptInit_ex(cipher_ctx, cipher256, nullptr, key_vec.data(), iv_vec.data());
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, dec, &dec_len, dec_in, MetadataInfo::Size);
EVP_DecryptFinal_ex(cipher_ctx, dec + dec_len, &dec_len);
MetadataInfo metadata_info = MetadataInfo((char *)dec);
std::vector<unsigned char> dec1(sce_hdr.header_length - sce_hdr.metadata_offset - 48 - MetadataInfo::Size);
std::vector<unsigned char> input_data(sce_hdr.header_length - sce_hdr.metadata_offset - 48 - MetadataInfo::Size);
memcpy(&input_data[0], &dat[64], sce_hdr.header_length - sce_hdr.metadata_offset - 48 - MetadataInfo::Size);
aes_setkey_dec(&aes_ctx, metadata_info.key, 128);
aes_crypt_cbc(&aes_ctx, AES_DECRYPT, sce_hdr.header_length - sce_hdr.metadata_offset - 48 - MetadataInfo::Size, metadata_info.iv, &input_data[0], &dec1[0]);
EVP_DecryptInit_ex(cipher_ctx, cipher128, nullptr, metadata_info.key, metadata_info.iv);
EVP_CIPHER_CTX_set_padding(cipher_ctx, 0);
EVP_DecryptUpdate(cipher_ctx, dec1.data(), &dec_len, input_data.data(), sce_hdr.header_length - sce_hdr.metadata_offset - 48 - MetadataInfo::Size);
EVP_DecryptFinal_ex(cipher_ctx, dec1.data() + dec_len, &dec_len);
unsigned char dec2[MetadataHeader::Size];
std::copy(&dec1[0], &dec1[MetadataHeader::Size], dec2);
@ -1054,6 +1070,11 @@ std::vector<SceSegment> get_segments(std::ifstream &file, const SceHeader &sce_h
segs.push_back({ metsec.offset, metsec.seg_idx, metsec.size, metsec.compression == CompressionType::DEFLATE, vault[metsec.key_idx], vault[metsec.iv_idx] });
}
}
EVP_CIPHER_CTX_free(cipher_ctx);
EVP_CIPHER_free(cipher128);
EVP_CIPHER_free(cipher256);
return segs;
}

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@ -18,9 +18,9 @@
#pragma once
#include <config/state.h>
#include <crypto/hash.h>
#include <glutil/object.h>
#include <gxm/types.h>
#include <util/hash.h>
#include <renderer/gl/state.h>
#include <renderer/gl/types.h>

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@ -17,10 +17,10 @@
#pragma once
#include <crypto/hash.h>
#include <glutil/object.h>
#include <glutil/object_array.h>
#include <renderer/types.h>
#include <util/hash.h>
#include <renderer/gl/ring_buffer.h>
#include <renderer/texture_cache.h>

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@ -17,7 +17,6 @@
#pragma once
#include <crypto/hash.h>
#include <glutil/object.h>
#include <glutil/object_array.h>
#include <gxm/types.h>
@ -25,6 +24,7 @@
#include <renderer/gxm_types.h>
#include <shader/spirv_recompiler.h>
#include <shader/usse_program_analyzer.h>
#include <util/hash.h>
#include <array>
#include <bit>

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@ -4,6 +4,7 @@ add_library(
src/arm.cpp
src/byte.cpp
src/float_to_half.cpp
src/hash.cpp
src/instrset_detect.cpp
src/logging.cpp
src/net_utils.cpp
@ -13,5 +14,5 @@ add_library(
target_include_directories(util PUBLIC include)
target_link_libraries(util PUBLIC ${Boost_LIBRARIES} config fmt spdlog http mem)
target_link_libraries(util PRIVATE libcurl)
target_link_libraries(util PRIVATE libcurl crypto)
target_compile_definitions(util PRIVATE $<$<CONFIG:Debug,RelWithDebInfo>:TRACY_ENABLE>)

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@ -15,19 +15,19 @@
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#include <crypto/hash.h>
#include <string>
#include <util/hash.h>
extern "C" {
#include <sha256.h>
}
#include <openssl/evp.h>
Sha256Hash sha256(const void *data, size_t size) {
Sha256Hash hash;
SHA256_CTX sha_ctx = {};
sha256_init_one(&sha_ctx);
sha256_update(&sha_ctx, static_cast<const uint8_t *>(data), size);
sha256_final(&sha_ctx, hash.data());
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
EVP_DigestInit_ex(ctx, EVP_sha256(), nullptr);
EVP_DigestUpdate(ctx, data, size);
unsigned int len;
EVP_DigestFinal(ctx, hash.data(), &len);
EVP_MD_CTX_free(ctx);
return hash;
}